TM-9-2320-273-10

TRUCK, TRACTOR, LINE HAUL; LIGHT EQUIPMENT TRANSPORTER; TRUCK CHASSIS; MEDIUM EQUIPMENT TRANSPORTER

TECHNICAL MANUAL; OPERATOR’S MANUAL

DECEMBER 2012

TM-9-2320-273-10 - Page 340 of 452

Table 1. Preventive Maintenance Checks and Services (PMCS) - Continued.

ITEM

NO.

INTERVAL

ITEM TO BE

CHECKED OR

SERVICED

PROCEDURE

EQUIPMENT NOT

READY/AVAILABLE

IF:

d. Check water pump

for coolant leaks.

Any Class III

leak is evident.

e. Check air compressor

for oil leaks or

damage.

Any Class III

leak or damage

is evident.

38

After

Fan Clutch and

Actuator

WARNING

Engine must be off to

check the fan clutch and

actuator. Failure to

comply may result in

severe injury or death to

personnel. Seek medical

attention in the event of

an injury.

a. Check fan clutch for

damage. Look for

loose attaching bolts.

Damaged or

loose hardware.

b. Inspect hoses for

looseness at ﬁttings,

for air leaks, fraying,

cracks, and abrasions.

Any air leak is

evident.

c. Check fan clutch

actuator

(Figure 21, Item 1)

for signs of leaks and

loose hose

connections.

Air leakage

from the

exhaust port

when engine

temperature is

below 185° F

(85° C).

TM 9-2320-273-10

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